const cp = require('child_process') //引入子进程
const { resolve } = require('path')

;(async ()=>{
    const script=resolve(__dirname,'../crawler/trailer-list.js')
    const child = cp.fork(script, [])
    let invoked = false

    child.on("error", err => {
        if (invoked) return

        invoked = true
        console.log(err)
    })
    child.on("exit", code => {
        if (invoked) return

        invoked = false
        let err = code === 0 ? null : new Error('exit code' + code)
        console.log(err)
    })

    child.on("message",data=>{
        let result = data.result
        console.log(result)
    })



})()